body{
    background-color: #FFDDDD;
}
#div {
    width: 600px;
    margin: 0 auto;
}

#div li {
    list-style: none;
}

#btn li {
    width: 16px;
    height: 16px;
    float: left;
    margin: 10px;
}
#btn li .actived {
    width: 8px;
    height: 8px;
    margin: 4px auto;
    background-color: #fff;
}
#banner {
    clear: both;
    width: 486px;
    height: 20px;
    margin: 0;
    padding: 0;
    border: 1px solid #fff;
}

#banner li {
    float: left;
    width: 80px;
    height: 20px;
    border-right: 1px solid #fff;
    line-height: 20px;
    text-align: center;
    font-size: 12px;
    color: #fff;
}

#div ul.banner{
    background-color: #f00;
}